19954458

素因数分解:

$2^1\times 3^3\times {\mathrm{449}}^1\times {\mathrm{823}}^1$

素因数の和:1283

約数の個数: 32

約数和(自身を含む): 44496000

約数和(自身を除く): 24541542

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 449, 823, 898, 1347, 1646, 2469, 2694, 4041, 4938, 7407, 8082, 12123, 14814, 22221, 24246, 44442, 369527, 739054, 1108581, 2217162, 3325743, 6651486, 9977229, 19954458]

約数ペア:

[(1, 19954458), (2, 9977229), (3, 6651486), (6, 3325743), (9, 2217162), (18, 1108581), (27, 739054), (54, 369527), (449, 44442), (823, 24246), (898, 22221), (1347, 14814), (1646, 12123), (2469, 8082), (2694, 7407), (4041, 4938)]